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Equilibrium Involuntary Unemployment Under Oligempory


  • L Kaas
  • P Madden


We show that equilibrium involuntary unemployment emerges in a multi–stage game model where all market power resides with firms, on both the labour and the output market. Firms decide wages, employment, output and prices, and under constant returns there exists a continuum of subgame perfect Nash equilibria involving unemployment and positive profits. A firm does not undercut the equilibrium wage since then high wage firms would attract its workers, thus forcing the undercutting firm out of both markets. Full employment equilibria are payoff dominated by unemployment equilibria, and the arguments are robust to decreasing returns.

Suggested Citation

  • L Kaas & P Madden, 2002. "Equilibrium Involuntary Unemployment Under Oligempory," Centre for Growth and Business Cycle Research Discussion Paper Series 21, Economics, The Univeristy of Manchester.
  • Handle: RePEc:man:cgbcrp:21

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    References listed on IDEAS

    1. Jones, Larry E & Manuelli, Rodolfo E, 1992. "The Coordination Problem and Equilibrium Theories of Recessions," American Economic Review, American Economic Association, vol. 82(3), pages 451-471, June.
    2. Madden, Paul & Silvestre, Joaquim, 1991. " Imperfect Competition and Fixprice Equilibria When Goods Are Gross Substitutes," Scandinavian Journal of Economics, Wiley Blackwell, vol. 93(4), pages 479-494.
    3. Heal, Geoffrey, 1981. "Rational rationing and increasing returns an example," Economics Letters, Elsevier, vol. 8(1), pages 19-27.
    4. repec:cor:louvrp:-536 is not listed on IDEAS
    5. Jean-Pascal Benassy, 1989. "Market Size and Substitutability in Imperfect Competition: A Bertrand-Edgeworth-Chamberlin Model," Review of Economic Studies, Oxford University Press, vol. 56(2), pages 217-234.
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    More about this item


    involuntary unemployment; multi-stage game; imperfect competition;

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity


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